Facilities/HVAC Technician

Company: Sterling Engineering Inc.
Location: Buffalo Grove
Posted on: February 17, 2026

Job Description:

Job Description Job Description Facilities / HVAC Technician Location : Buffalo Grove, IL Shift : 1st Shift, Monday–Friday Pay rate : $33.08–$42/hour Overview We are seeking an experienced Facilities / HVAC Technician to support operations within a clean, climate- and humidity-controlled manufacturing facility in Buffalo Grove, IL. This role is responsible for the maintenance, troubleshooting, and repair of commercial and industrial HVAC systems, with a strong focus on rooftop units (RTUs) and facility infrastructure. This is a hands-on, floor-based position ideal for an HVAC professional with experience in industrial or manufacturing environments. Residential-only HVAC backgrounds will not be considered. Key Responsibilities Perform preventive maintenance, troubleshooting, and repair of commercial and industrial HVAC systems, including rooftop units (RTUs). Diagnose complex mechanical, electrical, and control system issues to minimize downtime. Inspect facilities and prioritize repairs, improvements, and preventive maintenance activities. Read and interpret work orders, schematics, blueprints, and technical manuals. Replace defective components, wiring, and mechanical parts; perform system upgrades and modifications as needed. Ensure plumbing, water, sewer, electrical, mechanical, and emergency backup systems remain fully operational. Maintain accurate documentation of maintenance activities and completed work. Follow all safety procedures and regulatory requirements; identify and report unsafe conditions. Support facility projects, equipment setups, and special events as assigned. Operate tools, equipment, and vehicles safely and in accordance with company procedures. Required Qualifications Proven experience in maintaining and troubleshooting commercial or industrial HVAC systems within a manufacturing or industrial facility. Strong hands-on experience with rooftop units (RTUs) and commercial HVAC equipment. Working knowledge of compressors, condensers, evaporators, controls, and electrical systems. Ability to read and interpret mechanical and electrical schematics and technical documentation. Experience performing preventive maintenance and system optimization. Strong problem-solving skills and attention to detail. Ability to work independently and manage multiple priorities effectively. Valid driver’s license required. Qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, or national origin.

Keywords: Sterling Engineering Inc., Oak Park , Facilities/HVAC Technician, Construction - Building Trades , Buffalo Grove, Illinois